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Hyperplastic Polyps
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Written by Dr Sebastian Zeki
MCQs for this page
Hyperplastic Polyps
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Clinical features
The polyp revalence increases in chronic inflammatory
conditions, such as chronic atrophic gastritis, PA, and,
particularly,
postgastrectomy
gastritis.
The polyps occur mid to late adult life.
These occur in males and females with equal incidence.
They are predominantly antral but can occur anywhere.
Treatment
These can be excised
H. pylori treatment sometimes causes regression.
Oedematous, congested and
actively and chronically
inflamed lamina propria
Dysplasia
Polyps are occasionally dysplastic if >2cm or multiple.
The dysplasia incidence is 3%.
Pathogenesis
Polyps are due to chronic inflammation causing hyperregenerative epithelium.
The polyps can regress, remain stable, or increase in size.
Hyperplastic polyps
Histology
Elongated, dilated, and/or cystic, architecturally distorted,
foveolar epithelium.
(75.6 % of polyps- more common than fundic in areas of low H. pylori prevalence) —
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